Cytokinetics Inc
CYTK- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001061983
In the last 90 days, Cytokinetics Inc insiders filed 0 open-market purchases and 15 sales; 482 institutions reported holding it in 13F filings for Q2 2026, worth $13.7B in total; no superinvestor holds it.
13F holders, Q1 2026
Institutional positions in Cytokinetics Inc as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 441
- +17 vs. Q4 2025
- Shares held
- 146.2M
- +19.5M (+15.4%) vs. Q4 2025
- Total value
- $9.63B
- +$1.58B (+19.7%) vs. Q4 2025
- New holders
- 80
- 176 more added
- Sold out
- 63
- 135 more reduced
7 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting CYTK on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 482 | $13.7B |
| Q1 2026 | 441 | $9.63B |
| Q4 2025 | 431 | $8.87B |
| Q3 2025 | 381 | $7.75B |
| Q2 2025 | 312 | $4.55B |
| Q1 2025 | 356 | $5.48B |
| Q4 2024 | 347 | $6.18B |
| Q3 2024 | 348 | $7.20B |
| Q2 2024 | 344 | $7.34B |
| Q1 2024 | 390 | $8.26B |
| Q4 2023 | 347 | $9.54B |
| Q3 2023 | 251 | $3.22B |
| Q2 2023 | 253 | $3.55B |
| Q1 2023 | 263 | $3.83B |
| Q4 2022 | 278 | $4.88B |
| Q3 2022 | 276 | $5.08B |
| Q2 2022 | 263 | $4.16B |
| Q1 2022 | 240 | $3.52B |
| Q4 2021 | 250 | $4.16B |
| Q3 2021 | 211 | $3.22B |
| Q2 2021 | 191 | $1.50B |
| Q1 2021 | 193 | $1.74B |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Cytokinetics Inc; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| New Mexico Educational Retirement Board | 23,500 | $1.55M | 0.05% | 00.0% | Unchanged |
| Edgestream Partners, L.P. | 23,491 | $1.55M | 0.05% | −5,793−19.8% | Reduced |
| Pacer Advisors, Inc. | 23,057 | $1.52M | 0.00% | −4,726−17.0% | Reduced |
| Bamco Inc | 23,000 | $1.52M | 0.00% | +23,000 | New |
| Daiwa Securities Group Inc. | 22,200 | $1.46M | 0.00% | +21,849+6,224.8% | Added |
| China Universal Asset Management Co., Ltd. | 21,856 | $1.44M | 0.11% | +1,933+9.7% | Added |
| Prelude Capital Management, LLC | 21,813 | $1.44M | 0.11% | −15,726−41.9% | Reduced |
| Calamos Advisors LLC | 21,627 | $1.43M | 0.01% | +21,627 | New |
| Sanders Morris Harris LLC | 21,505 | $1.42M | 0.22% | +21,505 | New |
| Allstate Corp | 21,490 | $1.42M | 0.02% | +21,490 | New |
| Atom Investors LP | 20,350 | $1.34M | 0.10% | +20,350 | New |
| Toroso Investments, LLC | 19,983 | $1.32M | 0.00% | +5,995+42.9% | Added |
| Victory Capital Management Inc | 19,278 | $1.27M | 0.00% | +1,735+9.9% | Added |
| Ethic Inc. | 18,998 | $1.25M | 0.02% | +2,158+12.8% | Added |
| Royal Bank of Canada | 17,692 | $1.17M | 0.00% | −12,880−42.1% | Reduced |
| Schroder Investment Management Group | 18,113 | $1.14M | 0.00% | +18,113 | New |
| Amundi | 17,078 | $1.13M | 0.00% | +10,305+152.1% | Added |
| Vident Advisory, LLC | 17,069 | $1.13M | 0.01% | +614+3.7% | Added |
| Xponance, Inc. | 17,036 | $1.12M | 0.01% | +2,651+18.4% | Added |
| Dark Forest Capital Management LP | 16,914 | $1.11M | 0.10% | +16,914 | New |
| Marks Group Wealth Management, Inc | 16,835 | $1.11M | 0.11% | +2,269+15.6% | Added |
| HighTower Advisors, LLC | 16,631 | $1.10M | 0.00% | +2,718+19.5% | Added |
| Artia Global Partners LP | 16,300 | $1.07M | 0.24% | +16,300 | New |
| New York Life Investment Management LLC | 16,059 | $1.06M | 0.01% | +16,059 | New |
| Quinn Opportunity Partners LLC | 16,000 | $1.05M | 0.06% | −22,082−58.0% | Reduced |
| Inceptionr LLC | 15,974 | $1.05M | 0.25% | +15,974 | New |
| Oak Ridge Investments LLC | 15,902 | $1.05M | 0.07% | +225+1.4% | Added |
| Dana Investment Advisors, Inc. | 15,761 | $1.04M | 0.03% | +385+2.5% | Added |
| Quadrant Capital Group LLC | 15,366 | $1.01M | 0.03% | +670+4.6% | Added |
| Gabelli Funds LLC | 15,209 | $1.00M | 0.01% | +1,000+7.0% | Added |
| Tower Research Capital LLC (TRC) | 15,118 | $996.4K | 0.03% | +10,140+203.7% | Added |
| Teacher Retirement System of Texas | 15,038 | $991.2K | 0.00% | −1,821−10.8% | Reduced |
| Ami Asset Management Corp | 14,816 | $976.5K | 0.06% | +536+3.8% | Added |
| Bank of Montreal | 14,612 | $963.1K | 0.00% | +1,320+9.9% | Added |
| Kennedy Capital Management, Inc. | 14,361 | $946.5K | 0.02% | +1,178+8.9% | Added |
| Gabelli & Co Investment Advisers, Inc. | 13,578 | $894.9K | 0.13% | 00.0% | Unchanged |
| Atria Investments LLC | 12,980 | $855.5K | 0.01% | −1,390−9.7% | Reduced |
| DnB Asset Management AS | 12,898 | $850.1K | 0.00% | +1,819+16.4% | Added |
| Ellsworth Advisors, LLC | 12,730 | $839.0K | 0.16% | +12,730 | New |
| STRS Ohio | 12,600 | $830.5K | 0.00% | +300+2.4% | Added |
| LPL Financial LLC | 12,372 | $815.4K | 0.00% | +176+1.4% | Added |
| State of Alaska, Department of Revenue | 12,345 | $813.0K | 0.01% | +400+3.3% | Added |
| J. Goldman & Co LP | 12,007 | $791.4K | 0.04% | −5,638−32.0% | Reduced |
| Nisa Investment Advisors, LLC | 11,969 | $788.9K | 0.00% | +506+4.4% | Added |
| Gallagher Fiduciary Advisors, LLC | 11,577 | $763.0K | 0.03% | −1,396−10.8% | Reduced |
| Legato Capital Management LLC | 11,334 | $747.0K | 0.07% | −20,614−64.5% | Reduced |
| Marex Group plc | 11,301 | $744.8K | 0.01% | +3,299+41.2% | Added |
| M&T Bank Corp | 11,126 | $733.3K | 0.00% | −74−0.7% | Reduced |
| Harvest Management LLC | 11,000 | $725.0K | 0.39% | −2,600−19.1% | Reduced |
| Skopos Labs, Inc. | 10,581 | $697.3K | 0.02% | +15+0.1% | Added |
| Public Employees Retirement Association of Colorado | 10,552 | $695.0K | 0.00% | 00.0% | Unchanged |
| Man Group plc | 10,463 | $689.6K | 0.00% | −1,124−9.7% | Reduced |
| CIBC Bancorp USA Inc. | 10,099 | $665.6K | 0.00% | +10,099 | New |
| Creek Drive Management Group LLC | 10,000 | $659.1K | 0.41% | 00.0% | Unchanged |
| NVWM, LLC | 9,217 | $607.5K | 0.14% | +9,217 | New |
| E Fund Management Co., Ltd. | 9,150 | $603.1K | 0.02% | +9,150 | New |
| FNY Investment Advisers, LLC | 9,030 | $595.0K | 0.26% | +3,770+71.7% | Added |
| Securian Asset Management, Inc | 9,012 | $594.0K | 0.02% | +102+1.1% | Added |
| Carlson Capital L P | 9,000 | $593.2K | 0.23% | +3,400+60.7% | Added |
| Wealth Enhancement Advisory Services, LLC | 8,873 | $592.1K | 0.00% | −1,109−11.1% | Reduced |
| Brinker Capital Investments, LLC | 8,933 | $588.8K | 0.01% | −2,700−23.2% | Reduced |
| Bellevue Group AG | 8,841 | $582.7K | 0.01% | −384−4.2% | Reduced |
| Qsemble Capital Management, LP | 8,810 | $580.7K | 0.04% | +250+2.9% | Added |
| Jones Financial Companies LLLP | 9,191 | $574.4K | 0.00% | +6,961+312.2% | Added |
| Allianz Asset Management GmbH | 8,696 | $573.2K | 0.00% | +1,455+20.1% | Added |
| Cetera Investment Advisers | 8,649 | $570.1K | 0.00% | −5,620−39.4% | Reduced |
| Crossmark Global Holdings, Inc. | 8,648 | $570.0K | 0.01% | +486+6.0% | Added |
| J. Safra Sarasin Holding AG | 8,634 | $569.1K | 0.01% | −14,736−63.1% | Reduced |
| The PNC Financial Services Group, Inc. | 8,577 | $565.3K | 0.00% | +53+0.6% | Added |
| PSP Research LLC | 8,300 | $547.1K | 0.39% | −13−0.2% | Reduced |
| Sectoral Asset Management Inc | 7,300 | $544.6K | 0.45% | +1,407+23.9% | Added |
| Tema ETFs LLC | 8,162 | $538.0K | 0.04% | −5,116−38.5% | Reduced |
| CenterBook Partners LP | 7,864 | $518.3K | 0.03% | +7,864 | New |
| CWM Advisors, LLC | 7,822 | $515.5K | 0.03% | +492+6.7% | Added |
| VARCOV Co. | 7,805 | $514.4K | 0.19% | +1,792+29.8% | Added |
| Federation des caisses Desjardins du Quebec | 7,548 | $497.5K | 0.00% | +7,353+3,770.8% | Added |
| Veracity Capital LLC | 7,414 | $488.7K | 0.17% | 00.0% | Unchanged |
| Arrowpoint Investment Partners (Singapore) Pte. Ltd. | 7,388 | $486.9K | 0.71% | +2,908+64.9% | Added |
| Swiss Life Asset Management Ltd | 7,306 | $481.5K | 0.00% | +2,164+42.1% | Added |
| Ensign Peak Advisors, Inc | 7,296 | $480.9K | 0.00% | 00.0% | Unchanged |
| CI Private Wealth, LLC | 7,148 | $469.8K | 0.00% | +104+1.5% | Added |
| Allspring Global Investments Holdings, LLC | 6,989 | $465.5K | 0.00% | +646+10.2% | Added |
| Hantz Financial Services, Inc. | 6,973 | $460.0K | 0.01% | +129+1.9% | Added |
| Glenmede Trust Co NA | 6,663 | $439.2K | 0.00% | −6,107−47.8% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 6,424 | $423.4K | 0.00% | +483+8.1% | Added |
| First Bank & Trust | 6,394 | $421.4K | 0.07% | −13−0.2% | Reduced |
| Jane Street Group, LLC | 6,097 | $401.9K | 0.00% | −278,028−97.9% | Reduced |
| Cerity Partners LLC | 6,048 | $398.6K | 0.00% | −826−12.0% | Reduced |
| Sig Brokerage, LP | 6,011 | $396.2K | 0.11% | +6,011 | New |
| Coldstream Capital Management Inc | 5,945 | $391.8K | 0.00% | +625+11.7% | Added |
| Capital International Sarl | 5,890 | $388.2K | 0.01% | +5,890 | New |
| Camden Capital, LLC | 5,889 | $388.1K | 0.03% | 00.0% | Unchanged |
| AlphaCentric Advisors LLC | 5,616 | $370.2K | 0.37% | +305+5.7% | Added |
| O'Shaughnessy Asset Management, LLC | 5,591 | $368.5K | 0.00% | +584+11.7% | Added |
| Jasper Ridge Partners, L.P. | 5,500 | $362.5K | 0.01% | 00.0% | Unchanged |
| Intrust Bank NA | 5,140 | $338.8K | 0.03% | −29−0.6% | Reduced |
| High Net Worth Advisory Group LLC | 5,000 | $329.6K | 0.08% | 00.0% | Unchanged |
| Encore Global Management, LP | 5,000 | $329.6K | 0.23% | +5,000 | New |
| Commonwealth Equity Services, LLC | 4,857 | $320.1K | 0.00% | +12+0.2% | Added |
| Yorktown Management & Research Co Inc | 4,750 | $313.1K | 0.26% | +4,750 | New |